CN102528155B - Electric circular saw provided with switch protection mechanism - Google Patents
Electric circular saw provided with switch protection mechanism Download PDFInfo
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- CN102528155B CN102528155B CN201210025175.9A CN201210025175A CN102528155B CN 102528155 B CN102528155 B CN 102528155B CN 201210025175 A CN201210025175 A CN 201210025175A CN 102528155 B CN102528155 B CN 102528155B
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- 125000006850 spacer group Chemical group 0.000 claims description 15
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- 230000006872 improvement Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
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- 230000001960 triggered effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses an electric circular saw provided with a switch protection mechanism, which comprises a machine shell; a handheld part of the machine shell is provided with a switch trigger; the machine shell is internally provided with a switch control rod; the switch control rod is rotatablely arranged on the inner wall of the machine shell; a limiting mechanism used for limiting the stroke range of the switch trigger is arranged between the switch control rod and the switch trigger; the limiting mechanism is driven to limit or trip out of the stroke range of the switch trigger by the rotation of the switch control rod, so that the work of the switch trigger can be controlled; in addition, the switch control rod is provided with a resetting mechanism used for driving the limiting mechanism arranged on the switch control rod to reset towards the direction of the switch trigger; meanwhile, the top of the switch control rod is connected with a push button which is exposed outside a shell body of the machine shell in a normal state; and the switch control rod can be driven to rotate around a pin shaft towards the direction opposite to the resetting direction of the switch control rod by pushing the push button. After the structure is adopted, a switch of the electric circular saw can be locked in the aspect of mechanical structure, so that the use safety can be improved; meanwhile, the operation for unlocking the switch protection mechanism is very convenient.
Description
Technical field
The present invention relates to a kind of electric circular saw, particularly a kind of electric circular saw with switch protection mechanism.
Background technology
The saw blade of electric circular saw can damage human body under High Rotation Speed, and for fear of the generation of injury, people have proposed a variety of safety approach.For example, there is the safety approach proposing for saw bit of electric circular saw: the saw blade at electric circular saw is covered with movable shield.Like this, saw blade can not expose under free state, just can not damage human body yet.But prior art is fixed use to movable shield is artificial fixing mode, need manually with securing members such as screws, to be fixed, while being dismounting movable shield or all very inconvenient when movable shield is installed.
Again for example, also has the safety approach for the main switch proposition of electric circular saw: Chinese utility model CN201231350Y has disclosed a kind of technical scheme, on the main switch of electric circular saw, is in series with microswitch.By such structure, can utilize the break-make of main switch of form control electric circular saw of the electric break-make of microswitch, thereby control the break-make of electric circular saw motor, avoid switch to be triggered and human body is damaged by unexpected.But the break-make of using microswitch to control main switch exists certain defect: if the situation of short circuit appears in microswitch, and people still carry out routine operation in the situation that knowing nothing, and may cause huge injury.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of electric circular saw with switch protection mechanism is provided, and the main switch of electric circular saw can be locked from frame for movement, can surprisingly not triggered.
For achieving the above object, the technical solution used in the present invention is: the electric circular saw with switch protection mechanism, comprise casing, in the Handheld Division of casing, switch trigger is housed, it is characterized in that: start stop lever is installed in casing, described start stop lever is by the rotating inwall that is arranged on casing of bearing pin, between described start stop lever and switch trigger, be provided with one can limit switch trigger travel scope restriction mechanism, rotation by start stop lever drives the work that the travel range that limits mechanics limit or throw off switch trigger can gauge tap trigger, in addition, the resetting-mechanism that the restriction mechanism that can order about on start stop lever resets to the direction of switch trigger is installed on start stop lever, the top of Simultaneous Switching control lever connects and under a normality, exposes the push button outside casing housing, by push push button can drive start stop lever around bearing pin the reset counter-rotation to start stop lever.
Adopt this structure, only when pushing push button, switch could start, and has promoted the security of electric circular saw in frame for movement; The operation of this switch protection mechanism of release is also very convenient simultaneously.
A kind of improvement as technique scheme; the technical problem that the present invention further will solve is: a kind of power supply saw with switch protection mechanism is provided; its switch protection mechanism can limit the movable shield of electric circular saw main switch and electric circular saw simultaneously frame for movement simultaneously, and further protection is provided.
For head it off, on the basis of technique scheme: longitudinally have the first continuous chute and the second chute from bottom to top along it on the degree of depth lifting bracket on described base plate, the transverse width of the first chute is less than the transverse width of the second chute; First connecting rod is also installed in casing, and first connecting rod is by the rotating inwall that is arranged on casing of bearing pin, and the equidirectional interlock of described first connecting rod and start stop lever is rotated; The first boss is stretched out to the groove of degree of depth lifting bracket in the lower end of first connecting rod, on the first boss, stretch out again the second boss, the transverse width of the second boss can slide for the second boss in the first chute of degree of depth lifting bracket and the second chute, and the transverse width of the first boss can only slide for the first boss in the second chute of degree of depth lifting bracket; In addition, be also provided with the stopping means of slewing area of restriction first connecting rod in casing, the length that is greater than the first boss through the slewing area of spacing described first connecting rod is less than the summation of the length of the first boss and the second boss.
Optimal way as the stopping means of above-mentioned first connecting rod: the stopping means of described first connecting rod is arranged in casing, stopping means is provided with arc shaped groove, a spacer pin is fixed in this arc shaped groove extension of lower direction at first connecting rod, spacer pin and arc shaped groove are slidably matched, and the distance at the two ends of the arc shaped groove of the stopping means of the first connecting rod length that is greater than the first boss is less than the summation of the length of the first boss and the second boss.
Adopt said structure, it is fixing that first connecting rod can carry out activity to degree of depth lifting bracket, thereby do not need to carry out extra artificial fixing again; Meanwhile, switch protection mechanism can control the movable shield of electric circular saw main switch and electric circular saw simultaneously, and further protection is provided.
As above-mentioned all technical schemes further preferably: the stopping means that the slewing area of limit switch control lever is also installed in casing, described stopping means is provided with arc shaped groove, lower end at described start stop lever is fixed with spacer pin, and spacer pin is slidably engaged in the arc shaped groove on the stopping means of start stop lever.
The technical scheme that is equipped with arc shaped groove stopping means to start stop lever and first connecting rod is made another improvement; the technical problem that the present invention further will solve is: a kind of electric circular saw with switch protection mechanism is provided; switch protection mechanism wherein can link from frame for movement when can be opened at the protective cover of electric circular saw limits main switch, and it can surprisingly not triggered.
For reaching this object, on the basis of the technical scheme that is equipped with stopping means of start stop lever and first connecting rod: the stopping means of the slewing area of the stopping means of the slewing area of described limit switch control lever and described restriction first connecting rod is same rotating disk, the stopper slot of start stop lever and the stopper slot of first connecting rod are all arranged on rotating disk, and described rotating disk can rotate by bearing pin; On rotating disk, be also provided with and order about the resetting-mechanism that the equidirectional reset of rotating disk and start stop lever and first connecting rod is rotated.
Adopt said structure, when movable shield is opened, switch is also locked; When movable shield is packed up, switch could normally be worked; Meanwhile, dismounting movable shield is also very convenient, is convenient to change saw blade.
A kind of optimal way as the improved technical scheme of above-mentioned another kind: be also provided with the second connecting rod linking with degree of depth lifting bracket in casing, described second connecting rod can rotate around its pivot; The lower end of second connecting rod forms the lower convex platform of a rounding off stretching out to degree of depth lifting bracket, and the side of the groove of described lower convex platform and degree of depth lifting bracket is linked; The upper end of described second connecting rod forms a convex platform stretching out to rotating disk, the outer peripheral face of rotating disk inwardly forms a groove that can coordinate with convex platform, and the distance between convex platform and groove of rotating disk periphery is greater than the summation of the first boss and the second land length, on second connecting rod, the resetting-mechanism that orders about second connecting rod and the equidirectional reset of rotating disk is housed simultaneously.
Adopt said structure, when packing up movable shield, the clamping get back to the state of normal work automatically of the degree of depth hoisting frame in movable shield, and no longer need manually fixedly movable shield, promoted the convenience of use.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further, wherein:
Fig. 1 is the structural representation of the preferred embodiment of the present invention's electric circular saw with switch protection mechanism;
Fig. 2 is that Fig. 1 removes the structural representation after casing, motor, gear drive;
Fig. 3 is that Fig. 2 removes the structural representation after first connecting rod.
The description of reference numerals of concrete parts:
1: casing; 2: motor; 3: gearbox assembly; 4: saw blade; 6: base plate; 8: degree of depth lifting bracket; 9: movable shield; 10: start stop lever; 12: push button; 14: switch trigger; 16: rotating disk; 19: first connecting rod; 30: second connecting rod; 35: knob.
The specific embodiment
For convenience of explanation, following " left side ", " right side ", " clockwise ", " counterclockwise " are all consistent with direction shown in the drawings.
What Fig. 1-Fig. 3 showed is the preferred embodiment that the present invention has the electric circular saw of switch protection mechanism.
As shown in Figure 1; the electric circular saw with switch protection mechanism of present embodiment; comprise casing 1; in described casing 1, be provided with motor 2 and saw blade 4; in the Handheld Division of casing 1, switch trigger 14 is housed; in the bottom of casing 1 by the turning base plate 6 that is fixed with of bearing pin 5; on base plate 6, be fixed with degree of depth lifting bracket 8 and movable shield 9; the bottom of base plate 6 also has the through hole for saw blade 4 turnover; in addition; between the end of casing 1 and base plate 6, stage clip 7 is housed, degree of depth hoisting frame 8 can slide in the corresponding recesses of casing 1 simultaneously.
Described switch protection mechanism is included in the start stop lever 10 of casing 1 interior installation, described start stop lever 10 is arranged on the inwall of casing 1 by bearing pin 11, it can left-right rotation around bearing pin 11, between this start stop lever 10 and switch trigger 14, be provided with one can limit switch trigger 14 travel range restriction mechanism, the boss 13 that this restriction mechanism can stretch out to switch trigger 14 directions from the top of start stop lever 10 as shown in Figure 2, also can be the boss (not shown) stretching out to start stop lever 10 directions on switch trigger 14, its left-right rotation by start stop lever is carried out the work of gauge tap trigger 14, in addition, between the left side on the top of start stop lever 10 and the inwall of casing 1, a stage clip 10a is installed, this stage clip 10a forms the resetting-mechanism that the boss 13 order about on start stop lever 10 resets to the direction of switch trigger 14, the top of Simultaneous Switching control lever 10 connects and under a normality, exposes the push button 12 outside casing 1 housing, by pushing push button 12 left, can drive start stop lever 10 to rotate counterclockwise around bearing pin 11, thereby drive boss 13 to throw off the travel range of switch trigger 14, now can press switch, electric machine rotation.
As a kind of optimal way, the stopping means 16 of the slewing area of limit switch control lever 10 is also installed in casing 1, on stopping means 16, be provided with arc shaped groove 17; In the lower end of start stop lever 10, be fixed with spacer pin 15, described spacer pin 15 is slidably engaged in arc shaped groove 17, and the distance at the two ends, left and right of described arc shaped groove 17 has limited the slewing area of start stop lever 10 by spacer pin 15.
As shown in Figure 2, the transverse width that longitudinally has the first continuous chute 23 and the second chute 24, the first chutes 23 from bottom to top along it on the degree of depth lifting bracket 8 on described base plate 6 is less than the transverse width of the second chute 24.In casing 1, be provided with the first connecting rod 19 linking with start stop lever 10, first connecting rod 19 is arranged on by bearing pin 39 on the inwall of casing 1, and first connecting rod 19 can be around its bearing pin 39 left-right rotation; Wherein, the right of first connecting rod 19 upper ends is stretched out interlock boss 20 and is coordinated interlock with the left margin of start stop lever 10, one stage clip 19a is housed between the inwall of the left side on the top of first connecting rod 19 and casing 1, and described stage clip 19a forms and orders about interlock boss 20 to the resetting-mechanism of the left margin reset of start stop lever 10.The first boss 21 is stretched out to the groove of degree of depth lifting bracket 8 in the lower end of first connecting rod 19, on the first boss 21, stretch out again the second boss 22, the transverse width of the second boss 22 is less than the transverse width of the first boss 21, and the second boss 22 can be in the first chute 23 and the interior slip of the second chute 24 of degree of depth lifting bracket 8, and the first boss 21 can only be in the interior slip of the second chute 24 of degree of depth lifting bracket, that is to say, the coboundary 25 of the second chute 24 and lower boundary 26 have limited the sliding scale of the first boss 21, the coboundary 25 of the second chute 24 and the lower boundary 28 of the first chute 23 have limited the sliding scale of the second boss 22.
As shown in Figure 1, in casing 1, be also provided with the stopping means of the slewing area of restriction first connecting rod 19, the stopping means 16 of described stopping means and above-mentioned start stop lever is same, on this stopping means 16, be also provided with second arc shaped groove 29, in the lower right of first connecting rod 19, fix a spacer pin 27, spacer pin 27 and second arc shaped groove 29 are slidably matched, the distance limit at the two ends, left and right of second arc shaped groove 29 slewing area of first connecting rod 19.
It should be noted that, second arc shaped groove 29 that spacer pin 27 is slidably matched might not be arranged on same stopping means 16 with the first arc shaped groove 17, but in following rotating disk improves, these two arc shaped grooves 19,29 must be on same rotating disk.
It should be noted that, promote the second chute 24 that the distance of the movement of the first boss 21 that push button 12 causes and the second boss 22 should only can make the first boss 21 of the lower end of first connecting rod 19 depart from degree of depth lifting brackets 8 left, now the second boss 22 should, still in the first chute 23 of degree of depth lifting bracket 8 and the scope of the second chute 24, can slide up and down.Thereby the length that the distance at the two ends, left and right of second arc shaped groove 29 should be greater than the first boss 21 is less than the summation of the length of the first boss 21 and the second boss 22.
Under normal conditions, the first boss 21 stops the coboundary 25 of the second chute 24, and movable shield cannot be opened; When promoting push button 12 left, also rotate counterclockwise around bearing pin 39 with the first connecting rod 19 of start stop lever 10 interlocks, meanwhile, the second boss 22 can block the coboundary 25 of the second chute 24, prevents that base plate 6 from being flicked by stage clip 7, and machine can normally be worked.
As a kind of improvement, as shown in Figure 2 and Figure 3, above-mentioned stopping means 16 is rotating disks, and described rotating disk 16 can rotate by bearing pin 18.Torsion spring (not showing on figure) is also housed between the inwall of rotating disk 16 and casing 1, and described torsion spring forms and orders about the resetting-mechanism that rotating disk 16 has the trend of rotating clockwise.
When needs are changed saw blade 4 and need to be opened movable shield 9, be rotated counterclockwise rotating disk 16, now, the left margin 37 of the second arc shaped groove 29 on rotating disk 16 drives first connecting rod 19 to rotate counterclockwise a larger scope around bearing pin 39 by pin 27, this scope enough makes the first boss 21 of first connecting rod 19 lower ends and the second boss 22 all detach the first chute 23 and the second chute 24 on degree of depth lifting bracket 8, like this, degree of depth lifting bracket 8 is flicked by stage clip 7 together with base plate 6 with movable shield 9.The right margin 38 of the first arc shaped groove 17 on rotating disk 16 is adjacent to the pin 15 on start stop lever 10 simultaneously, start stop lever 10 can not counterclockwise be rotated, boss 13 on Simultaneous Switching control lever has limited the travel range of switch trigger 14, and switch just can not be activated.
Now can change the operation of saw blade 4, after to be replaced completing, base plate 6 be closed, and make rotating disk 16 get back to normality position can normally to work.
(do not apply in the situation of other external force, following " normality " is all identical therewith) preferably under normal conditions, the left margin of the arc shaped groove 17 of the stopping means of start stop lever is pressed close to pin 15; The left margin 37 of the arc shaped groove of the stopping means of first connecting rod is pressed close to spacer pin 27.
Non-orbicular boss 36 can be set in the card of rotating disk 16, in addition, at the outer knob 35(that arranges of casing 1 referring to Fig. 2), the groove coordinating with boss 36 on rotating disk 16 is inwardly formed on the bottom of knob 35, just can drive rotating disk 16 rotations like this at the outer turning knob 35 of casing 1.
As the further improvement to the improvement project of above-mentioned rotating disk, in casing 1, be also provided with the second connecting rod 30 with degree of depth lifting bracket 8 and rotating disk 16 interlocks, this second connecting rod 30 can left-right rotation around its pivot, and a torsion spring (not showing on figure) is housed between the inwall of second connecting rod 30 and casing 1, and this torsion spring forms and orders about the resetting-mechanism that second connecting rod 30 has the trend of rotating clockwise.The upper end of second connecting rod 30 forms a convex platform stretching out to rotating disk 16 31, upper left quarter at rotating disk 16 inwardly forms a groove 32 that can coordinate with convex platform 31, the lower end of second connecting rod 30 forms the lower convex platform 33 of a rounding off stretching out to degree of depth lifting bracket 8, and limit, the left side 34(of lower convex platform 33 and degree of depth lifting bracket 8 is referring to Fig. 2) be linked.
When being rotated counterclockwise rotating disk 16 and opening base plate 6, the lower convex platform 33 of second connecting rod 30 is no longer subject to the restriction on the limit, left side 34 of degree of depth lifting bracket 8, when rotating disk 16 is rotated counterclockwise, because second connecting rod 30 clockwise rotates under the effect of torsion spring, make the convex platform 31 of second connecting rod 30 can snap in the groove 32 on rotating disk 16, rotating disk 16 can not be rotated.It should be noted that, for making the second boss 22 of first connecting rod 19, can normally throw off the second groove 24, the stroke that rotating disk 16 turns to groove 32 places to be needed from normality position should be greater than the summation of the length of the first boss 21 and the second boss 22, that is to say, and the distance between convex platform 31 and groove 32 of rotating disk 16 peripheries is greater than the summation of the first boss 21 and the second boss 22 length.
After saw blade 4 has been changed, depress base plate 6, drive movable shield 9 and degree of depth lifting bracket 8 to pack up, the limit, left side 34 of degree of depth lifting bracket 8 promotes the lower convex platform 33 of second connecting rod 30 simultaneously, force second connecting rod 30 counterclockwise to rotate an angle, when the boss 31 of second connecting rod 30 upper ends departs from the groove 32 on rotating disk 16 completely, under torsion spring effect, rotate an angle gets back to normality to rotating disk 16 clockwise, and after this machine can normally be worked.
With the specific embodiment, the present invention has been done to detailed explanation by reference to the accompanying drawings above, but the present invention is not limited to this, any those skilled in the art, in possessed ken, under the prerequisite without prejudice to aim of the present invention, can make various distortion and modification to it.
Claims (9)
1. the electric circular saw with switch protection mechanism, comprise casing, in the Handheld Division of casing, switch trigger is housed, start stop lever is installed in casing, described start stop lever is by the rotating inwall that is arranged on casing of bearing pin, between described start stop lever and switch trigger, be provided with one can limit switch trigger travel scope restriction mechanism, rotation by start stop lever drives and limits mechanism and throw off the work that the travel range of switch trigger can gauge tap trigger, in addition, the resetting-mechanism that the restriction mechanism that can order about on start stop lever resets to the direction of switch trigger is installed on start stop lever, the top of Simultaneous Switching control lever connects and under a normality, exposes the push button outside casing housing, by push push button can drive start stop lever around bearing pin the reset counter-rotation to start stop lever, it is characterized in that, bottom at described casing is fixed with base plate, is fixed with degree of depth lifting bracket on described base plate, on degree of depth lifting bracket on described base plate, along it, longitudinally have the first continuous chute and the second chute from bottom to top, the transverse width of the first chute is less than the transverse width of the second chute, first connecting rod is also installed in casing, and first connecting rod is by the rotating inwall that is arranged on casing of bearing pin, and the equidirectional interlock of described first connecting rod and start stop lever is rotated, the first boss is stretched out to the groove of degree of depth lifting bracket in the lower end of first connecting rod, on the first boss, stretch out again the second boss, the transverse width of the second boss can slide for the second boss in the first chute of degree of depth lifting bracket and the second chute, and the transverse width of the first boss can only slide for the first boss in the second chute of degree of depth lifting bracket, in addition, be also provided with the stopping means of slewing area of restriction first connecting rod in casing, the length that is greater than the first boss through the slewing area of spacing described first connecting rod is less than the summation of the length of the first boss and the second boss.
2. the electric circular saw with switch protection mechanism according to claim 1, is characterized in that: the described boss of mechanism for stretching out to switch trigger direction from the top of start stop lever that limit.
3. the electric circular saw with switch protection mechanism according to claim 1, is characterized in that: the described boss of mechanism for stretching out to start stop lever direction on switch trigger that limit.
4. the electric circular saw with switch protection mechanism according to claim 1; it is characterized in that: the stopping means of described first connecting rod is arranged in casing; stopping means is provided with arc shaped groove; a spacer pin is fixed in this arc shaped groove extension of lower direction at first connecting rod; spacer pin and arc shaped groove are slidably matched, and the distance at the two ends of the arc shaped groove of the stopping means of the first connecting rod length that is greater than the first boss is less than the summation of the length of the first boss and the second boss.
5. the electric circular saw with switch protection mechanism according to claim 1; it is characterized in that: interlock boss is stretched out to the border of start stop lever in first connecting rod upper end; meanwhile, formation is housed between the inwall of side first connecting rod top and that boss is opposing and casing and can orders about interlock boss to the resetting-mechanism of the border reset of start stop lever.
6. the electric circular saw with switch protection mechanism according to claim 4; it is characterized in that: the stopping means that the slewing area of limit switch control lever is also installed in casing; described stopping means is provided with arc shaped groove; lower end at described start stop lever is fixed with spacer pin, and spacer pin is slidably engaged in the arc shaped groove on the stopping means of start stop lever.
7. the electric circular saw with switch protection mechanism according to claim 6, it is characterized in that: the stopping means of the slewing area of the stopping means of the slewing area of described limit switch control lever and described restriction first connecting rod is same rotating disk, the stopper slot of start stop lever and the stopper slot of first connecting rod are all arranged on rotating disk, and described rotating disk can rotate by bearing pin; On rotating disk, be also provided with and order about the resetting-mechanism that the equidirectional reset of rotating disk and start stop lever and first connecting rod is rotated.
8. the electric circular saw with switch protection mechanism according to claim 7, is characterized in that: in the card of described rotating disk, be provided with non-orbicular boss; At described casing, be outside equipped with knob, the groove that the inside formation in bottom of knob coordinates with the boss on rotating disk.
9. the electric circular saw with switch protection mechanism according to claim 7, is characterized in that: in casing, be also provided with the second connecting rod linking with degree of depth lifting bracket, described second connecting rod can rotate around its pivot; The lower end of second connecting rod forms the lower convex platform of a rounding off stretching out to degree of depth lifting bracket, and the side of the groove of described lower convex platform and degree of depth lifting bracket is linked; The upper end of described second connecting rod forms a convex platform stretching out to rotating disk, the outer peripheral face of rotating disk inwardly forms a groove that can coordinate with convex platform, and the distance between convex platform and groove of rotating disk periphery is greater than the summation of the first boss and the second land length, on second connecting rod, the resetting-mechanism that orders about second connecting rod and the equidirectional reset of rotating disk is housed simultaneously.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210025175.9A CN102528155B (en) | 2012-02-06 | 2012-02-06 | Electric circular saw provided with switch protection mechanism |
| US13/759,230 US9044869B2 (en) | 2012-02-06 | 2013-02-05 | Electric circular saw |
| EP13747293.2A EP2812144B1 (en) | 2012-02-06 | 2013-02-06 | Electric circular saw |
| PCT/CN2013/071444 WO2013117159A1 (en) | 2012-02-06 | 2013-02-06 | Electric circular saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210025175.9A CN102528155B (en) | 2012-02-06 | 2012-02-06 | Electric circular saw provided with switch protection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102528155A CN102528155A (en) | 2012-07-04 |
| CN102528155B true CN102528155B (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210025175.9A Expired - Fee Related CN102528155B (en) | 2012-02-06 | 2012-02-06 | Electric circular saw provided with switch protection mechanism |
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| Country | Link |
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| CN (1) | CN102528155B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106808017A (en) * | 2015-12-01 | 2017-06-09 | 苏州宝时得电动工具有限公司 | Electric circular saw and electric circular saw control method |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962630B (en) * | 2013-01-30 | 2016-08-03 | 泉峰(中国)贸易有限公司 | Electrotrephine |
| US9044869B2 (en) * | 2012-02-06 | 2015-06-02 | Chervon (Hk) Limited | Electric circular saw |
| CN103028778B (en) * | 2012-12-05 | 2015-02-18 | 正阳实业投资有限公司 | Miniature handheld saw |
| DE102013203621B4 (en) * | 2013-03-04 | 2023-12-14 | Robert Bosch Gmbh | Hand tool |
| CN104742095B (en) * | 2013-12-26 | 2017-04-19 | 苏州宝时得电动工具有限公司 | Electric circular saw |
| CN104827342B (en) * | 2015-05-19 | 2017-03-22 | 正阳实业投资有限公司 | Handheld mini saw protective cover protection device |
| CN106992089A (en) * | 2017-05-31 | 2017-07-28 | 西安青合机电有限公司 | A kind of trigger |
| CN109047909B (en) * | 2018-08-29 | 2019-10-29 | 宁波市百雷仕电动工具有限公司 | A kind of control structure of electric circular saw |
| CN110449973B (en) * | 2019-08-21 | 2024-02-27 | 常州赛迪工具有限公司 | Protective device of manual mini saw movable shield |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4023101A1 (en) * | 1990-07-20 | 1992-01-23 | Metabowerke Kg | Electrical power tool - has switch interlock mechanism to ensure safe operation of unit |
| CN2715938Y (en) * | 2004-08-14 | 2005-08-10 | 金克勤 | Hand-held electric groove cutting machine |
| CN201423474Y (en) * | 2009-05-27 | 2010-03-17 | 常州合力电器有限公司 | Portable electric circular saw |
| CN202479602U (en) * | 2012-02-06 | 2012-10-10 | 南京德朔实业有限公司 | Electric circular saw with switch protecting mechanism |
-
2012
- 2012-02-06 CN CN201210025175.9A patent/CN102528155B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106808017A (en) * | 2015-12-01 | 2017-06-09 | 苏州宝时得电动工具有限公司 | Electric circular saw and electric circular saw control method |
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| CN102528155A (en) | 2012-07-04 |
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